Pretty print of endpoints for ambiguous error
Pretty print of endpoints for ambiguous error

Pretty print the list of endpoints by region for ambigous endpoint error

Change-Id: Ia99b6d46b1944db631fc4bd446aeae77abb08262
Closes-Bug: #1241177

scottdangelo/cinderclient-api-microversions,eayunstack/python-cinderclient,JioCloud/python-cinderclient,swamireddy/python-cinderclient,eayunstack/python-cinderclient,varunarya10/python-cinderclient,JioCloud/python-cinderclient,scottdangelo/cinderclient-api-microversions,swamireddy/python-cinderclient,varunarya10/python-cinderclient